3. Addition
4. Subtraction
7. Division
10. Patterns
11. Rounding Numbers
11.1. Rounding Off Numbers
11.2. Estimating Sum
11.3. Estimating Difference
11.4. Estimating Products
12. Fractions
12.4. Division as Fraction
12.5. Fraction as Division
12.7. Equivalent Fractions
12.8. Comparison of Fractions
12.10. Unit Fraction
12.13. Word Problems on Fractions
13. Decimals
14. Money
14.1. Introduction to Currency
14.3. Express Money in Figures
14.4. Conversion of Money
14.7. Word Problems on Money
15. Measurement
16. Unitary Method
17. Geometry
20. Symmetry
20.1. Introduction to Symmetry
20.3. Symmetry Around Us
20.5. Symmetry in Alphabets
20.6. Symmetry in Numerals
22. Data Handling